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Description
STI FRONT UNDER SPOILER For LEGACY B4 (BL) ST9602021020Brand STI Product FRONT UNDER SPOILER Product Number ST9602021020 Description This lip spoiler is designed for the standard 3. 0R (type A to type C) bumper. In wind tunnel tests with actual cars, this product demonstrates approximately 127% improvement in CLf (front) and approximately 29% improvement in CLr (rear) when installed together with the trunk spoiler set (for B4). It has a semi glossy black coating, and no further coating is necessary. The
| Brand | STI |
| Product | FRONT UNDER SPOILER |
| Product Number | ST9602021020 |
| Description | This lip spoiler is designed for the standard 3.0R (type A to type C) bumper. In wind tunnel tests with actual cars, this product demonstrates approximately 127% improvement in CLf (front) and approximately 29% improvement in CLr (rear) when installed together with the trunk spoiler set (for B4). It has a semi-glossy black coating, and no further coating is necessary. The STI emblem is in the center. |
| Compatible Vehicle | LEGACY B4 (BL) |
| Compatible Models |
Model adaptation symbol: A 2003-year May-2004 04 May 2.0i (AWD / 4AT) - 2.0i (AWD / 4AT) - 2.0R (AWD / 5MT) - 2.0R (AWD / 4AT) - 2.0GT (AWD / 5MT) - 2.0GT (AWD / 5AT) - 2.0GTspec.B (AWD / 5MT) - 2.0GTspec.B (AWD / 5AT) - 3.0R (AWD / 5AT) ___ 3.0R (AWD / 5AT) ___ model adaptation symbol : B 2004 year 05 January to May 2005 2.0i (AWD / 4AT) - 2.0i (AWD / 4AT) - 2.0R (AWD / 5MT) - 2.0R (AWD / 5MT) - 2.0R (AWD / 4AT) - 2.0 R (AWD / 4AT) - 2.0GT (AWD / 5MT) - 2.0GT (AWD / 5MT) - 2.0GT (AWD / 5AT) - 2.0GT (AWD / 5AT) - 2.0GTspec.B (AWD / 5MT) - 2.0 GTspec.B (AWD / 5AT) - 3.0R (AWD / 5AT) ___ 3.0R (AWD / 5AT) ___ 3.0Rspec.B (AWD / 6MT) ___ model adaptation symbol: C 2005 Jun-2006 May 2.0i (AWD / 5MT) - 2.0i (AWD / 4AT) - 2.0i (AWD / 4AT) - 2.0R (AWD / 5MT) - 2.0R (AWD / 4AT) - 2.0R (AWD / 4AT) - 2.0R (AWD / 4AT) - 2.0GT (AWD / 5MT) - 2.0GT (AWD / 5AT) - 2.0GTspec.B (AWD / 5MT) - 2.0GTspec.B (AWD / 5AT) - BLITZEN 2006 (AWD / 5MT) - BLITZEN 2006 (AWD / 5AT) - 3.0R (AWD / 5AT) ___ 3.0R (AWD / 5AT) ___ 3.0 Rspec.B (AWD / 6MT) ___ 3.0Rspec.B (AWD / 5AT) ___ model adaptation symbol: D 04 May 2006 06 May and 2007 2.0i (AWD / 5MT) - 2.0i (AWD / 4AT) - 2.0R ( AWD / 5MT) - 2.0R (AWD / 4AT) - 2.0GT (AWD / 5MT) - 2.0GT (AWD / 5AT) - 2.0GTspec.B (AWD / 6MT) - 2.0GTspec.B (AWD / 5AT) - 3.0 R (AWD / 5AT) - 3.0Rspec.B (AWD / 6MT) - 3.0Rspec.B (AWD / 5AT) - model adaptation symbol: E 04 May 2007 05 May to 2008 2.0i (AWD / 5MT) - 2.0i B -SPORT (AWD / 5MT) - 2.0i (AWD / 4AT) - 2.0i B-SPORT (AWD / 4AT) - 2.0i Brighton (AWD / 4AT) - 2.5i (AWD / 4AT) - 2.0Rspec.B (AWD / 5MT) - 2.0Rspec.B (AWD / 4AT) - 2.0GT (AWD / 5MT) - 2.0GT (AWD / 5AT) - 2.0GT SI-CRUISE (AWD / 5AT) -. 2.0GTspec B (AWD / 6MT) - 2.0GTspec.B (AWD / 5AT) - 3.0R (AWD / 5AT) - 3.0R SI-CRUISE (AWD / 5AT) - model adaptation symbol: F 2008 year May-2009 2.0i (AWD / 5MT) - 2.0i (AWD / 4AT) - 2.5i (AWD / 4AT ) - 2.5i SI-CRUISE (AWD / 4AT) - 2.0GT (AWD / 5MT) - 2.0GT (AWD / 5AT) - 2.0GT ES (AWD / 5AT) - 2.0GTspec.B (AWD / 6MT) - 2.0GTspec .B (AWD / 5AT) - 3.0R ES (AWD / 5AT) - S402 (AWD / 6MT) -
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| Remarks | * Since the approach angle is small, be careful of contact with curbstones, uneven roads, etc. For installation, it is necessary to drill 6 installation holes in the front bumper. * The explanation of this product is for Japanese specification. |
| Notes | Images are for illustration purpose only. Actual product may vary. |
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
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Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
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4.2 ★★★★★
Based on 990 reviews
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Product Reviews
★★★★★ 3
Not for me
Model: 197mil 31 sqft Car Sound Deadening Mat
Seemed “cheap” for my personal needs, so I returned it.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 23, 2026
★★★★★ 5
Would recommend
Size: 10 sqft
I used this sound deadening material in my car during an audio and interior upgrade, and the difference was noticeable immediately. Road noise, vibrations, and rattling were reduced a lot, especially on the doors and floor panels. The car feels much quieter and more solid while driving now.
The material was easy to cut and apply, and the adhesive stuck very well without peeling up. It has a quality feel to it and conforms nicely around curves and tight areas. I also noticed my speakers sound cleaner and have better bass response after installing it.
For the price, this sound deadening material is a great value and definitely worth it if you want a quieter ride and better overall sound quality in your vehicle.
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Reviewed in the United States on June 6, 2026
★★★★★ 5
Worth it!
Size: 50 sqft
I was worried it wouldn't work as well since it's 50 mil and I thought I got the wrong thing. Nope! Works great. Did all four doors on my 93 civic and I have enough for the floor I think. Solid price. Noise reduced by about 5 decibels hive difference. Very sticky and easy to apply I'm so happy I was able to cover most all of my car. If I need more, definitely buying this since I got so much extra and I thought I would.
PS: that five decibel thing is only with the four doors. My firewall is next and then my floor, but it's such a huge difference
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Reviewed in the United States on April 2, 2026
★★★★★ 5
Quiet your vehicle noises
Size: 50 sqft
Put this in our high roof van and couldn’t believe how much quieter it was at once. Really cut down on the vibration noise Nice and easy to install just peel n stick. Was also easy to cut with scissors for smaller areas. Seemed to be really nice quality. Didn’t notice any odor.
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Reviewed in the United States on June 9, 2026
★★★★★ 5
Sound deadening the Hot Rod
Size: 20 sqft, Size: 20 sqft
Works well, good value for the money.
It’s very sticky and conforms to what you are applying it to. One 20 sq ft box did approximately the passenger side
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Reviewed in the United States on April 3, 2026